SynthesisSports medicine - open2023
Interindividual Variability in Mental Fatigue-Related Impairments in Endurance Performance: A Systematic Review and Multiple Meta-regression.
Synthesis in Sports medicine - open, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 4 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
23 citing papers in PubMed, 4 syntheses or guidelines pooled it.
- Mental Fatigue and Resistance Exercise: A Systematic Review and Meta-Analysis Including GRADE Qualification.European journal of sport science · 2026Pooled it
- The effects of brain endurance training on physical endurance performance under mental fatigue and non-fatigued conditions: a systematic review and meta-analysis.Frontiers in psychology · 2026Pooled it
- Methodological Considerations and Effectiveness for Ecologically Valid Mental Fatigue Inducement in Sports: A Systematic Review.Sports medicine - open · 2025Pooled it
- Approaches to inducing mental fatigue: A systematic review and meta-analysis of (neuro)physiologic indices.Behavior research methods · 2025Pooled it
- Effects of L-Tyrosine Ingestion on Endurance Performance in Mentally Fatigued Cyclists.European journal of sport science · 2026Trial
- High Mental Fatigue Magnitude Generates Greater Impaired Resistance Exercise Performance Than Moderate Mental Fatigue Magnitude in Trained Adults.European journal of sport science · 2026Trial
- Does the Effect of Mental Fatigue Created by Motor Imagery on Upper Extremity Functions Change with Diaphragmatic Breathing Exercises? A Randomized, Controlled, Single-Blinded Trial.Medicina (Kaunas, Lithuania) · 2024Trial
- Temporal Robustness of Mental Fatigue Susceptibility: A One-Year Follow-up Study.Sports medicine - open · 2026Article
- The Role of Nootropic Supplements in Sports: Enhancing Cognitive and Physical Performance Simultaneously.Food science & nutrition · 2026Review
- Highlighting the Role of Mental Fatigue as a Health Risk Factor: A Narrative Review.Sports (Basel, Switzerland) · 2026Review
- Effects of mental fatigue on basketball decision-making and visual search behavior.Frontiers in psychology · 2026Article
- Dmax-derived lactate-threshold intensity profiles and associated factors in adolescent swimmers: a multicenter cross-sectional study.Frontiers in physiology · 2026Article
- Mental fatigue in football: methodology and experimental protocol.Frontiers in sports and active living · 2026Article
- Mapping 50 Years of Sport Psychology-Performance Meta-Analyses: A PRISMA-ScR Scoping Review.Sports (Basel, Switzerland) · 2025Review
- Current Practices for Mental Fatigue Quantification and Induction in Movement Science: Introducing the SPeCIFY Guidelines.Sports medicine (Auckland, N.Z.) · 2025Review
- Interplay between sex, age, BMI, health-related quality of life, and coping strategies in amateur and professional athletes.Frontiers in physiology · 2025Article
- Brain endurance training as a strategy for reducing mental fatigue.Frontiers in psychology · 2025Article
- Mental Fatigue and Sports Performance of Athletes: Theoretical Explanation, Influencing Factors, and Intervention Methods.Behavioral sciences (Basel, Switzerland) · 2024Review
- Can mental fatigue affect perception of barbell velocity in resistance training?European journal of sport science · 2024Article
- Prolonged theoretical classes impact students' perceptions: an observational study.Frontiers in psychology · 2024Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
backgroundThe negative effect of mental fatigue (MF) on physical performance has recently been questioned. One reason behind this could lie in the interindividual differences in MF-susceptibility and the individual features influencing them. However, the range of individual differences in mental fatigue-susceptibility is not known, and there is no clear consensus on which individual features could be responsible for these differences.
objectiveTo give an overview of interindividual differences in the effects of MF on whole-body endurance performance, and individual features influencing this effect.
methodsThe review was registered on the PROSPERO database (CRD42022293242). PubMed, Web of Science, SPORTDiscus and PsycINFO were searched until the 16th of June 2022 for studies detailing the effect of MF on dynamic maximal whole-body endurance performance. Studies needed to include healthy participants, describe at least one individual feature in participant characteristics, and apply at least one manipulation check. The Cochrane crossover risk of bias tool was used to assess risk of bias. The meta-analysis and regression were conducted in R.
resultsTwenty-eight studies were included, with 23 added to the meta-analysis. Overall risk of bias of the included studies was high, with only three presenting an unclear or low rating. The meta-analysis shows the effect of MF on endurance performance was on average slightly negative (g = - 0.32, [95% CI - 0.46; - 0.18], p < 0.001). The multiple meta-regression showed no significant influences of the included features (i.e. age, sex, body mass index and physical fitness level) on MF-susceptibility.
conclusionsThe present review confirmed the negative impact of MF on endurance performance. However, no individual features influencing MF-susceptibility were identified. This can partially be explained by the multiple methodological limitations such as underreporting of participant characteristics, lack of standardization across studies, and the restricted inclusion of potentially relevant variables. Future research should include a rigorous description of multiple different individual features (e.g., performance level, diet, etc.) to further elucidate MF mechanisms.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.